Home / 138,048-298,668

Finding the Third Proportional to 138,048 and 298,668

Calculator

Solution

The third proportional to 138,048 and 298,668 is: 646,170.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,048 : 298,668 = 298,668 : x
  2. Step 2: Convert to fraction form
    138,048/298,668 = 298,668/x
  3. Step 3: Cross multiply
    138,048x = 298,668 × 298,668
  4. Step 4: Simplify right side
    138,048x = 89,202,574,224
  5. Step 5: Solve for x
    x = 89,202,574,224/138,048
  6. Step 6: Final answer
    x = 646,170.71

Related Problems

Find third proportional to 69,024 and 149,334
Half scale
Find third proportional to 276,096 and 597,336
Double scale
Find third proportional to 138,050 and 298,672
Similar ratio
Find third proportional to 207,072 and 448,002
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.